The following table shows the number of students of seven colleges participating in extra co-curricular activities.

Read the table and answer the question given.

College →  Extra Co-curricular Activities ↓	A	B	C	D	E	F	G
I	150	250	450	50	350	250	150
II	50	150	150	50	50	50	50
III	100	50	400	125	100	500	150
IV	250	125	350	275	250	150	150

Percentage of the number of students in activity II to that of IV is: (consider up to two decimals)